These snails use a specially evolved fish insulin to induce hypoglycemic shock in their prey. Instead of pursuing their meals, they wait until one swims by and then flood the surrounding waters ...

Two species of cone snails are able to incapacitate a prospective prey by using a special insulin that can cause the blood glucose levels of fish to plummet.

Flash Sale! Unlimited Digital Access - $5 for the first month. Fish-eating snails stun their prey with insulin. Published: ...